NEWTON, Kan. (AP) — A 19-year-old man is jailed on $2.5 million bond after being accused of slaying his girlfriend and her 4-year-old daughter.

Harvey County District Attorney David Yoder says Keith Hawkins is charged with capital and first-degree murder.

Authorities say 24-year-old Alyssa Runyon and daughter Zaylynn Paz were found dead shortly after 11 a.m. Tuesday by Runyon’s ex-boyfriend in bedrooms in the victims’ duplex. Police said the girl had been fatally stabbed and that her mother strangled.

Police said Hawkins was arrested later Tuesday in Taylor, Texas, where he allegedly was found driving Runyon’s vehicle.

Hawkins was returned to Kansas on Friday.

Yoder says a possible motive in the killings has been determined, though he declined to discuss it publicly.

It’s not immediately clear if Hawkins has an attorney.

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NEWTON — A man suspected in the slayings of his girlfriend and her 4-year-old daughter is now in the Harvey County Jail. Keith Hawkins waived extradition in Texas, where he was arrested.

Harvey County Undersheriff Shawn Chapman says a team of investigators from that department brought the suspect back to Kansas on Friday. He is being held on a $250,000 bond, according to the Harvey County Jail booking web site.

Authorities say 24-year-old Alyssa Runyon and daughter Zaylynn Paz were found dead shortly after 11 a.m. Tuesday by Runyon’s ex-boyfriend in bedrooms in the victims’ duplex. Police said the girl had been fatally stabbed and that her mother strangled.

Police said the Hawkins was arrested shortly before 5:30 p.m. Tuesday in Taylor, Texas, where he allegedly was found driving Runyon’s vehicle.